OBDII Code List

P0AAA TOYOTA - Hybrid Battery Voltage Isolation Sensor Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

P0AAA TOYOTA Possible Causes

  • Hybrid battery junction block
  • Faulty Battery Smart Unit
  • Faulty HV Battery
  • Inverter With Converter Assembly

First diagnose P0AAA TOYOTA code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the P0AAA TOYOTA code

    Labor: 1.0

    The cost of diagnosing the P0AAA TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

P0AAA TOYOTA Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0aaa Toyota Description

The power management control ECU monitors the battery smart unit and detects insulation malfunctions in the high-voltage system.
OBDII Code P0aaa Toyota - Hybrid Battery Voltage Isolation Sensor Circuit High -

P0AAA TOYOTA More Information

Need more information on how to fix the P0AAA TOYOTA code?
Get Access to Factory Service Manuals

Need more help?

Get the P0aaa Toyota code diagnosed by a professional: Find a repair shop in your area

Related Information


Help us improve Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P0aaa Toyota code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧